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Help CenterXK-DYSF2 Electro-hydraulic Proportional and Servo Performance Test Comprehensive Test Bench
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Specifications
The experimental platform is a network of hydraulic transmission virtual instrument laboratory equipment.ISO CE certificationsXK-DYSF1
Electro hydraulic proportional and servo system working condition practical application test bench
Product details:
1. The main technical characteristics
1) Steel structure, platform experiment, the stability of foundation, high rigidity, no deformation, no vibration.
2) Using touch helped control box, is easy to expand ratio, servo and closed loop control and performance testin.
3) Hydraulic pump station can provide constant voltage source and constant current source, and configuration of the accumulator, cooler, heater, high precision filter.
4) The data acquisition card and software design feature rich.
5) The same system, the same component testing, system uses many kinds of classical test loop. Let the students study and master the test principle from various angles, understanding the significance of performance test, and the effect on the system performance.
2. Experiment Items
1) Performance test of electro-hydraulic proportional direction valve
a. Pressure gain characteristic
b. Traffic load characteristics
c. Valve pressure drop characteristic
d. Step response characteristics
e. frequency response characteristic
f. the control characteristics of constant valve pressure drop
g. Test device
h. the test comparison of system parameters on the dynamic performance
i. Comparison of different test circuit on the valve performance test
j. Comparison of different loading method on the valve performance test
k. The testing comparisons of PID parameters on the valve performance
2) Performance test of servo cylinder closed loop position controlling system of electro-hydraulic proportional direction valve (closed-loop control):
a. Step response characteristics
b. Frequency response characteristics
c. Test device
d. The influence of system parameters on the dynamic performance
e. Displacement performance experiment of the system
f. Position control system’s composition, working principle and calibration method
g. Control system error in experimental
h. The application of computer in the position control system
i. The testing comparisons of PID parameters on the valve performance
3) Performance test of electro-hydraulic proportional relief valve
a. The steady-state pressure control characteristics
b. The steady-state load characteristic
c. Step response characteristics of input current signa
d. The load flow step characteristics
e. Frequency response characteristic test
f. Test device
g. the test comparison of system parameters on the dynamic performance
h. Comparison of different test circuit on the valve performance test
i. Comparison of different loading method on the valve performance test
j. Application of sine wave in position control system
k. Control system error in experimental
l. The application of computer in the position control system
m. The testing comparisons of PID parameters on the valve performance
4) The performance test of the electro-hydraulic proportional flow valve
a. The steady state flow control characteristics
b. Steady pressure and flow control characteristics
c. Test device
d. the test comparison of system parameters on the dynamic performance
e. Comparison of different test circuit on the valve performance test
f. Comparison of different loading method on the valve performance test
g. Application of sine wave in position control system
h. Control system error in experimental
i. The application of computer in the position control system
j. The testing comparisons of PID parameters on the valve performance
5) Electro-hydraulic proportional servo valve performance test:
a. Pressure gain characteristic
b. No-load flow characteristics
c. Load flow characteristic
d. Step response characteristics
e. frequency response characteristic
f. The physical meaning and calculation method of parameters
g. Application of sine wave in position control system
h. Control system error in experimental
i. The application of computer in the position control system
j. Comparison of different test circuit on the valve performance test
6) system performance test of electro-hydraulic proportional servo valve cylinder position servo (closed loop control):
a. Step response characteristics
b. frequency response characteristic
c. Test device
d. the test comparison of system parameters on the dynamic performance
e. Application of sine wave in position control system
f. Control system error in experimental
g. The application of computer in the position control system
h. The testing comparisons of PID parameters on the valve performance
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